April weather forecast
Cựa Thôn, Vietnam

April, the same as March, is another warm spring month in Cựa Thôn, Vietnam, with an average temperature varying between 29.7°C (85.5°F) and 22.9°C (73.2°F).

Temperature

April introduces a minor temperature shift, with average high-temperatures adjusting from March's warm 26.7°C (80.1°F) to a still moderately hot 29.7°C (85.5°F). Throughout April nights, Cựa Thôn registers an average low-temperature of 22.9°C (73.2°F).

Heat index

In April, the average heat index is estimated at a fiery hot 37°C (98.6°F). Undertake extra safety actions, heat cramps and heat exhaustion are expected. Heatstroke may result from lengthy activity.
When referencing the heat index, its values are suitable for shady environments and light breezes. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', unifies temperature and humidity readings to offer a comprehensive feel of warmth. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.
Sweat evaporation plays a crucial role in cooling the human body, a process enabled by perspiration. When relative humidity is on the rise, it curtails evaporation, thereby reducing the heat elimination from the body and causing the feeling of being excessively hot. When the body's heat gain surpasses its removal capacity, body temperature starts to climb, leading to potential heat-related ailments.

Humidity

The average relative humidity in April is 80%.

Rainfall

In Cựa Thôn, in April, during 19.1 rainfall days, 47mm (1.85") of precipitation is typically accumulated. Throughout the year, in Cựa Thôn, there are 247.6 rainfall days, and 1260mm (49.61") of precipitation is accumulated.

Daylight

In Cựa Thôn, the average length of the day in April is 12h and 32min.
On the first day of the month, sunrise is at 05:47 and sunset at 18:06. On the last day of April, sunrise is at 05:27 and sunset at 18:13 +07.

Sunshine

In April, the average sunshine is 9.2h.

UV index

The months with the highest UV index are April through September, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for the average person.
Note: In April, the maximum UV index of 7 suggests these recommendations:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Always opt for UVA and UVB-resistant sunglasses on radiant days.